pub fn collect_all_with_callback(
lfs: Vec<PyLazyFrame>,
engine: Wrap<Engine>,
optflags: PyOptFlags,
lambda: Py<PyAny>,
py: Python<'_>,
)pub fn collect_all_with_callback(
lfs: Vec<PyLazyFrame>,
engine: Wrap<Engine>,
optflags: PyOptFlags,
lambda: Py<PyAny>,
py: Python<'_>,
)